MPEC 2015-H123: 2015 HP116
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M.P.E.C. 2015-H123 Issued 2015 Apr. 27, 00:11 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2015 HP116
Observations:
K15HB6P* C2015 04 23.39771 14 47 37.895-13 40 12.63 21.5 wLEH123F51
K15HB6P C2015 04 23.41023 14 47 36.964-13 40 45.00 21.6 wLEH123F51
K15HB6P C2015 04 23.43518 14 47 34.793-13 41 45.20 21.7 wLEH123F51
K15HB6P C2015 04 24.48317 14 51 56.21 -14 18 05.4 21.6 RtEH123F51
K15HB6P C2015 04 24.49532 14 51 55.05 -14 18 27.8 21.4 RtEH123F51
K15HB6P C2015 04 25.46306 14 56 23.57 -14 51 34.3 21.9 RtEH123F51
K15HB6P C2015 04 25.47519 14 56 22.35 -14 51 58.5 21.6 RtEH123F51
K15HB6P C2015 04 25.49987 14 56 19.95 -14 52 43.8 21.2 RtEH123F51
K15HB6P C2015 04 25.50477 14 56 19.51 -14 52 52.2 21.5 RtEH123F51
K15HB6P C2015 04 25.51689 14 56 18.46 -14 53 12.0 21.4 RtEH123F51
K15HB6P C2015 04 25.52891 14 56 17.54 -14 53 30.6 21.9 RtEH123F51
K15HB6P C2015 04 25.54100 14 56 16.75 -14 53 47.8 21.6 RtEH123F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers R. Anderson, B. Gibson, T. Goggia,
N. Primak, A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel,
L. Denneau, H. Flewelling, M. Huber, E. Magnier, E. Schunova, R. Wainscoat,
C. Waters, R. Weryk, P. Veres. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2015 HP116 Earth MOID = 0.0109 AU
Epoch 2015 June 27.0 TT = JDT 2457200.5 MPC
M 20.10231 (2000.0) P Q
n 0.93782260 Peri. 264.53418 -0.26745880 +0.96356927
a 1.0336867 Node 349.95270 -0.88356885 -0.24534202
e 0.0065668 Incl. 0.07061 -0.38441107 -0.10649672
P 1.05 H 31.2 G 0.15 U 4
Residuals in seconds of arc
150423 F51 0.0 0.2+ 150424 F51 0.0 0.1+ 150425 F51 0.0 0.0
150423 F51 0.1- 0.1- 150425 F51 0.1- 0.1+ 150425 F51 0.2- 0.1+
150423 F51 0.1- 0.1+ 150425 F51 0.1- 0.1+ 150425 F51 0.1- 0.0
150424 F51 0.2- 0.0 150425 F51 0.1- 0.1+ 150425 F51 0.0 0.2+
Ephemeris:
2015 HP116 a,e,i = 1.03, 0.01, 0 q = 1.0269
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2015 03 28 12 34 07.1 +03 39 36 0.0093051.0072 173.2 6.7 21.6
...
2015 04 12 13 54 01.6 -06 26 31 0.0094681.0116 171.3 8.6 21.7
...
2015 04 20 14 32 00.9 -11 31 02 0.0096131.0139 169.5 10.4 21.8
...
2015 04 26 14 58 44.8 -15 00 55 0.0097981.0157 168.5 11.4 21.9
2015 04 27 15 03 08.9 -15 34 12 0.0098321.0160 168.3 11.6 21.9
2015 04 28 15 07 32.3 -16 06 56 0.0098661.0163 168.2 11.7 21.9
...
2015 05 04 15 33 30.6 -19 11 15 0.01006 1.0179 167.3 12.6 22.0
...
2015 05 12 16 05 51.5 -22 41 12 0.01026 1.0200 166.8 13.1 22.1
...
2015 05 27 16 56 12.8 -27 16 18 0.01061 1.0235 168.4 11.4 22.1
The above orbit is bound to the Earth-Moon system from ~ 2014 Oct. to ~
2019 Mar. The H value suggests that is not an (in)active artificial payload.
Further observations are desirable. A designation has been assigned to the
object to ease the handling of the object.
Gareth V. Williams (C) Copyright 2015 MPC M.P.E.C. 2015-H123
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